/*

  Functions to control ajax changing page 

  content in navigation





*/



// ajax function always throws an error



window.onerror=doNothing;



function doNothing(){

	return true;

}



	var http = createRequestObject();

	

	var postArrayKeys	=	new Array();

	var postArrayValues	=	new Array();	

	var httpPostSendString="";

	var previousComponentURL="";

	

	function createRequestObject() {

	    var ro;

	    var browser = navigator.appName;

	    if(browser == "Microsoft Internet Explorer"){

	        ro = new ActiveXObject("Microsoft.XMLHTTP");

	    }else{

	        ro = new XMLHttpRequest();

	    }

	    return ro;

	}





var globalComponent='';

	

//alert('ajax lib loaded');

	function sndReqFullURL(loc) {

		//first step change the innerHTML of the 

		// current maincontent layer to the waiting gif

		//alert(loc);

		

		var obj=document.getElementById('theMainContent');

		obj.innerHTML="<div class='ajaxPleaseWait' ><img src='images/icons/indicator.black.gif'> Please wait ...</div>";	

		

		if(arguments.length ==0){

	    	

		} else {

			http.open('get', loc);

			//previousComponentURL=loc;

		}



		globalComponent=loc;

      // alert(globalComponent);

	    http.onreadystatechange = handleResponse;

	    setTimeout('http.send(null);',200);

	    //http.send(null);

	   

	}



	function change(){

		alert('');

			var obj=document.getElementById('theMainContent');

		obj.innerHTML="<p>The inner html changed</p>";	

	}



	

	function handleResponse() {

		//alert(http.readyState+ " "+http.status);

	    

	    if(http.readyState == 4 && http.status == 200){

	        var response = http.responseText;

	    //    var update = new Array();

	    //    update = response;

	    

	    		//setTimeout("Effect.Fade('theMainContent");", 10);

	    		//document.getElementById("theMainContent").style.visibility='hidden';

	    		//document.getElementById("theMainContent").style.display='none';

	            document.getElementById("theMainContent").innerHTML = response;

	            //document.getElementById("theMainContent").style.visibility='visible';

	    		httpPostSendString="";

   				//setTimeout("Effect.Appear('theMainContent');", 150);

   				setTimeout("Effect.Slide('theMainContent');", 150);   				

	    		var obj=document.getElementById("theMainContent");

	    		//obj.style.top= parseInt(obj.style.top)+100;

	    		//parseInt(xy[1])

	    } else if(http.status == 404){

	            var tmp = "<p class='warning'";

	            tmp += "style='background:white;border:2px solid red;padding:5px;'>";

		        tmp += "<img src='images/icons/warning.png'> 404 - AJAX Component not found</p>";

	   

	   			document.getElementById("theMainContent").innerHTML=tmp;

	    }

	}

	

	function refreshComponent(){

		alert('test');

		/*if(globalComponent != ''){

			sndReqFullURL(globalComponent);

		} else {

			// just refresh this location

			//location.replace(window.location);

			location.reload(true);

		}*/

	}	

	

	function refreshCurrentComponent(){

		//alert('test');

		if(globalComponent != ''){

			sndReqFullURL(globalComponent);

		} else {

			// just refresh this location

			//location.replace(window.location);

			location.reload(true);

		}

	}